318322768403 has 2 divisors, whose sum is σ = 318322768404. Its totient is φ = 318322768402.

The previous prime is 318322768367. The next prime is 318322768411. The reversal of 318322768403 is 304867223813.

It is a strong prime.

It is an emirp because it is prime and its reverse (304867223813) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 318322768403 - 2³² = 314027801107 is a prime.

It is not a weakly prime, because it can be changed into another prime (318322768433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159161384201 + 159161384202.

It is an arithmetic number, because the mean of its divisors is an integer number (159161384202).

Almost surely, 2^318322768403 is an apocalyptic number.

318322768403 is a deficient number, since it is larger than the sum of its proper divisors (1).

318322768403 is an equidigital number, since it uses as much as digits as its factorization.

318322768403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The spelling of 318322768403 in words is "three hundred eighteen billion, three hundred twenty-two million, seven hundred sixty-eight thousand, four hundred three".